\begin{tikzpicture} [every node/.style={anchor=south west,,inner sep=0}]
	\node [fill=yellow!20] (PFINFL){
		\begin{tabular}{|C{4em}|C{4em}|C{4em}|C{4em}|C{4em}|C{4em}|}
			\hline 
			LEVEL & OFF & FN & ENTRY & PARAM & \dots \\ 
			\hline
	\end{tabular}};	
\end{tikzpicture}